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TinyDuino Processor Board - TinyCircuits

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  • TinyDuino Processor Board - TinyCircuits

    The TinyCircuits TinyDuino is an Arduino compatible board in an ultra compact package. The TinyDuino processor board is roughly equivalent to the Arduino Uno board – same processor, same signals brought out to a shield connector. In fact, most Arduino sketches will work as is without any changes.

    The TinyDuino Processor Board is available in three variations:

    • With Lithium Battery Support - has an on-board Lithium battery charger that will charge the battery when attached to USB
    • With coin cell battery support - for low power applications, use a simple CR1632 coin cell battery that can be easily changed
    • Without battery options - the lightest and lowest cost option

    Main Features:

    • Atmega328P processor (same as is used on the Arduino Uno)
    • Power Switch
    • Status LED
    • 8MHz ceramic resonator
    • External power supported with a 0.1″ power connection holes
    • Supports automatic switching between +5V and VBATT (if +5V is present, it will be used instead of the battery)
    To learn more about the TinyDuino Platform, click here


      • Arduino Compatible
      • Expandable with Stackable TinyShield Boards
      • Optional battery connector for CR1612-CR1632 coin cell batteries
      • Optional Lithium battery connector and charger
      • 0.1″ spaced solder holes for external power source
      • Robust Gold Finish – makes soldering easy and is non-corrosive
      • Ultra compact size and weight (smaller than a US Quarter!)
        •  20mm x 20mm (.787 inches x .787 inches)
        • Max Height (without battery holder): 2.9mm (0.12 inches)
        • Max Height (with coin cell battery holder): 6.58mm (0.26 inches)
        • Ultra-thin 0.61mm (0.024 inches) PCB
        • Weight: 1.10 grams (0.039 ounces) - Lithium version
      • Atmel ATmega328P Microcontroller
        • 32KB Flash, 2KB RAM, 1KB EEPROM
        • 1.2mA (typical) @ 3V, 4MHz
        • Default Clock speed: 8MHz
      • 2.7V – 5.5V operating voltage
      • 20 I/Os (14 Digital, 6 Analog / Digital I/O) – All the signals on the Arduino Shield connectors are supported!
      • Arduino Bootloader preprogrammed (uses approx 0.5 KBytes of Flash Memory)


      • If you are brand new to the TinyDuino, buying a kit is the best way to go since it will have all the parts needed.  Check out the TinyDuino Kits here
      • All batteries are sold separately
      • To program this board, you need to use the TinyShield USB Board
      • This board does not include a voltage regulator – do not supply more than +5.5V to VBATT or the +5V signal or you will permanently damage the board and ruin your day.




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